diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..b2d6532
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,4 @@
+[submodule "externals/python-tkinter-logger"]
+	path = externals/python-tkinter-logger
+	url = http://192.168.100.10:3000/VALLONGOL/python-tkinter-logger
+	branch = master
diff --git a/externals/python-tkinter-logger b/externals/python-tkinter-logger
new file mode 160000
index 0000000..8621a7f
--- /dev/null
+++ b/externals/python-tkinter-logger
@@ -0,0 +1 @@
+Subproject commit 8621a7f6a6fae53e116273b4f298f1db281219fc